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  1. <?php
  2. $numbers    = array(
  3.     10,
  4.     20,
  5.     100,
  6.     30,
  7.     40,
  8.     104,
  9.     200,
  10.     202,
  11.     33
  12. );
  13. $bestValue1 = $numbers[0];
  14. $bsetValue2 = $numbers[1];
  15. $lastDif    = abs($numbers[0] - $numbers[1]);
  16.  
  17. for ($i = 1; $i < count($numbers); $i++) {
  18.  
  19.     for ($k = 0; $k < $i; $k++) {
  20.  
  21.         $dif = abs($numbers[$k] - $numbers[$i]);
  22.  
  23.         if ($dif == 0) {
  24.             continue;
  25.         }
  26.         if ($dif < $lastDif) {
  27.             $lastDif    = $dif;
  28.             $bestValue2 = $numbers[$k];
  29.             $bestValue1 = $numbers[$i];
  30.         }
  31.     }
  32.  
  33. }
  34. $pair = array(
  35.     $bestValue1,
  36.     $bestValue2
  37. );
  38. print_r($pair);
  39.  
  40. ?>
Success #stdin #stdout 0.01s 20568KB
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stdin
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Standard input is empty
stdout
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Array
(
    [0] => 202
    [1] => 200
)
https://ideone.com/2j3S6k
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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